Science, asked by pdashrath186, 3 months ago

(iv) पोलियो का टीका वर्तमान में किस प्रकार दिया जाता है तथा 20 वर्ष पूर्व इसे किस प्रकार दिया जाता था?
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Answered by shubhamraj08196
1

Answer:

I hope it's helpful

Explanation:

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